Home / 3,611.45-4,983.64-2,039.65

Finding the Fourth Proportional to 3,611.45, 4,983.64 and 2,039.65

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Solution

The fourth proportional to 3,611.45, 4,983.64 and 2,039.65 is: 2,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.45 : 4,983.64 = 2,039.65 : x
  2. Step 2: Convert to fraction form
    3,611.45/4,983.64 = 2,039.65/x
  3. Step 3: Cross multiply
    3,611.45x = 4,983.64 × 2,039.65
  4. Step 4: Simplify right side
    3,611.45x = 10,164,863.77
  5. Step 5: Solve for x
    x = 10,164,863.77/3,611.45
  6. Step 6: Final answer
    x = 2,814.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.